WiR short pages by unblocked new accounts sans userpage wide-range

SQL

SET @PAGELENGTH_MAX = 12500;
SET @PAGE_CREATION_START = "2021-01-01";  # as early as 2021-11-01 is OK
SET @REGISTRATION_START = "2019-06-01";    # as early as 2020-01-01 is OK
SET @PAGE_CREATION_MIN = 2; # only report users who have created at least this many
SET @ARTICLE_SPACE = 0;
SET @TALK_SPACE = 1;
SET @USER_SPACE = 2;
SET @CAT = "All WikiProject Women in Red pages";
SET @CAT_UNDERSCORE = REPLACE(@CAT," ","_");

SELECT user_name,count(*) as pages
FROM page pageA,revision,categorylinks,page pageB,actor,user
where pageB.page_title = pageA.page_title
and cl_from=pageA.page_id
and cl_to = @CAT_UNDERSCORE
and revision.rev_timestamp >= @PAGE_CREATION_START
and revision.rev_page = pageB.page_id
and revision.rev_parent_id = 0  # NEW PAGE CREATION
and revision.rev_actor = actor.actor_id
and user.user_id = actor.actor_user
and user.user_registration >= @REGISTRATION_START
and pageA.page_namespace = @TALK_SPACE
and pageB.page_namespace = @ARTICLE_SPACE 
and pageB.page_is_redirect = 0
and pageB.page_len < @PAGELENGTH_MAX
and not exists(
    # Filter out blocked users 
    select 1 from ipblocks 
    where user_id=ipb_user # BLOCKED USER
)
and not exists(
  	select 1 from page
  where  page_namespace = @USER_SPACE
  and page_title = user_name
)
and user_name not in ('Walrus World','Balance person','Gab Brasseur','Bayu Oktarino','Sarah.moorhouse',
                      'Otepoti Creative','Yonbik','Reading Beans','SparklyJellyfish',
                      'AMM Pittsburgh','Patricia Mannerheim','Grnrchst','Significa liberdade','Less Unless') # cheap whitelist

group by user_name
HAVING pages >= @PAGE_CREATION_MIN
ORDER BY pages desc
limit 50
SQL

Checking query status...
